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平时上公厕，总会觉得那门把可能会很肮脏。可能之前上完厕所的人不小心碰到自己的粪，然后没洗手就开门出去。

平时如果手上拿满东西，都会用脚开关门。

The “better way” for Sewell and two colleagues – Ron Ely and Kelly Coddington – was to invent StepNpull, an aluminum bracket affixed to the bottom of a free-swinging door, allowing a person to pull open the door with their foot. The trio formed KRM Innovations Inc. in October and are selling patent-pending StepNpulls for $19.95 each on their Web site, www.stepnpull.com. A purchase includes mounting screws for either wood or metal doors and a sign that directs people to use StepNpull.

—— Springfield Business Journal: Co-workers’ invention puts squash on germs

有几位怕脏人士就发明了这个用脚推的门把。当我刚看到那个图片时，以为那是让那些踩到狗粪的人在进门前刮掉那些粪。

Link: StepNpull